Drug intelligence / Profile preview

methadone + bemnifosbuvir + ruzasvir

Development stage
Unknown
Lead developer
Atea Pharmaceuticals
Modality
Small Molecules
Administration
Oral
01

Overview

Methadone + BEM/RZR is an investigational drug regimen consisting of methadone co-administered with a fixed-dose combination (FDC) of bemnifosbuvir (BEM) and ruzasvir (RZR). Methadone is a synthetic mu-opioid receptor agonist used for maintenance therapy in individuals with opioid use disorder. Bemnifosbuvir (AT-527) is an oral, guanosine nucleotide analog prodrug that acts as a pan-genotypic inhibitor of the Hepatitis C Virus (HCV) NS5B RNA-dependent RNA polymerase. Ruzasvir (AT-038) is a potent, pan-genotypic inhibitor of the HCV NS5A protein. This triple combination is primarily studied in Phase 1 drug-drug interaction (DDI) trials by Atea Pharmaceuticals to evaluate the safety and pharmacokinetic profile of the BEM/RZR antiviral regimen in patients receiving stable methadone maintenance therapy for opiate withdrawal.

Other names
methadone + bemnifosbuvir/ruzasvirmethadone + AT-527/AT-038
02

Targets

NS5B (Hepatitis C virus non-structural protein 5B (NS5B) RNA-dependent RNA polymerase)RdRp (Coronavirus RNA-dependent RNA polymerase)NS5A (Hepatitis C virus nonstructural protein 5A (genotype 1b))SERT (Sodium-dependent serotonin transporter)NET (Norepinephrine Transporter)NMDAR (Glutamate receptor ionotropic, NMDA)KCNH2 (Voltage-gated potassium channel subfamily H member 2)MOR (Mu opioid receptor)

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